CN2195989Y - Centre of lathe - Google Patents
Centre of lathe Download PDFInfo
- Publication number
- CN2195989Y CN2195989Y CN 94225631 CN94225631U CN2195989Y CN 2195989 Y CN2195989 Y CN 2195989Y CN 94225631 CN94225631 CN 94225631 CN 94225631 U CN94225631 U CN 94225631U CN 2195989 Y CN2195989 Y CN 2195989Y
- Authority
- CN
- China
- Prior art keywords
- dial
- face
- main body
- annular groove
- oil pocket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an end face driver centre which aims to overcome the defect that the processing to the external circles of work pieces can not be completed in once clamping. A sliding centre of the utility model is arranged in a main body and is fixed by positioning screws arranged on the main body, and a driver plate with shifting gears is sheathed at the front end of main body. A support rod in arranged in the main body and at the back end of the sliding center, and the front end of the support rod is provided with a nut. The back end of main body is screwed with a plug screw, and a butterfly spring is arranged on the support rod and between the nut and the plug screw. The utility model can be used for the external cylindrical turning machining of parts belonging to the shaft class.
Description
The utility model relates to machine tool accessories, especially a kind of turning axial workpiece top.
In the prior art on lathe the turning axial workpiece, generally use an end of chuck holding workpiece, the other end uses the top supporting workpiece on the tail stock for machine tool, processes; Perhaps install and fix toply with supporting workpiece on machine tool chief axis, with heart carrier holding workpiece one end, the other end uses the top supporting workpiece that circles round on the tail stock for machine tool to process.Be characterized under a clamping, to finish excircle of workpiece processing, adopt chuck to clamp the concentricity that can not guarantee each size of workpiece simultaneously.
The purpose of this utility model is to overcome the defective that exists in the above-mentioned prior art, and a kind of face driver center top and moving tooth while holding workpiece that slides that adopts is provided.
The purpose of this utility model takes following scheme to realize: top being located in the body of sliding, fix by the dog screw that is located on the body, dial is socketed in the body front end, in body, the top rear end of sliding is provided with steady arm, the steady arm front end is settled nut, the body rear end is rotary with plug screw, between nut and the plug screw, on the steady arm butterfly spring is set.
In addition, this body diameter has been cut annular groove, and the corresponding body of dial internal diameter has also been cut annular groove, is provided with sealing ring in the annular groove.
The body front end face is provided with oil pocket and settles piston, and annular groove has been cut at the piston middle part, and sealing ring is set, and piston nose is the square toes shape and is stuck in the groove of dial end face.
Oil pocket is three, along body front end face circumference uniform distribution, is interconnected between the oil pocket, and body is provided with the repairing hole towards oil pocket.
The utility model can be realized the processing that clamping is finished excircle of workpiece, has improved machining accuracy and production efficiency.
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of dial of the present utility model.
Accompanying drawing is a structural representation of the present utility model.
With reference to Fig. 1, slip of the present utility model has keyway on top (7), and is fixing by the dog screw (6) that is located on the body (1), can only move axially in body (1) and do not relatively rotate with guarantee to slide top (7).In body (1), top (7) rear end of sliding is provided with steady arm (4), steady arm (4) front end is settled nut (5), body (1) rear end is rotary with hexagonal spiro plug (2), between nut (5) and hexagonal spiro plug (2), butterfly spring (3) is set on the steady arm (4), adjust pretightning force with nut (5), when the utility model is worked, butterfly spring (3) provides enough elastic force, make slide top (7) can be closely and the combination of workpiece centre hole, with slide moving tooth (13) relative distance in the axial direction of top (7) front end and dial (9) of hexagonal spiro plug (2) adjustment.The moving tooth (13) of dial (9) front end can be taked two kinds of structures, and a kind of is that moving tooth (13) is an one with dial (9).With reference to Fig. 2, another kind is that moving tooth (13) is embedded in the groove of dial (9), leans on the extruding force of screw (14) to fix.Dial (9) is socketed in body (1) front end, there are certain interval in the endoporus of dial (9) and body (1) external diameter, the outer quarter sawing of body (1) has annular groove, the corresponding body of dial (9) internal diameter (1) has also been cut annular groove, " O " shape sealing ring (8) is installed in the annular groove, is made dial (9) be difficult for going up landing, under the situation that main shaft does not stop when guaranteeing machined from body (1), during workpiece loading and unloading, dial (9) still can rotate synchronously with body (1).Three oil pockets that are interconnected (12) are along body (1) front end face circumference uniform distribution, be respectively charged into piston (10), oil pocket (12) an amount of hydraulic oil of packing into, piston (10) front end is the square toes shape and is stuck in the groove of dial (9) end face, to guarantee dial (9) and body (1) rotation synchronously, when the center line out of plumb of workpiece end face and workpiece, when a piston (10) wherein is pressed into oil pocket (12) more for a long time, other two pistons (10) are corresponding to stretch out a part as a supplement, thereby the square toes that guarantee piston (10) contact all the time with dial (9) end face groove, still can reliably must guarantee operate as normal when adapting to workpiece end face and workpiece centre out of plumb.Do not leak for making at big pressure lower oil cavitie (12), the twice annular groove has been cut at piston (10) middle part, and two high-qualitys " O " shape sealing rings (11) are installed.In addition, body (1) is provided with towards the repairing hole of oil pocket (12), with regular replenishment hydraulic oil.
Claims (6)
1, a kind of face driver center, be provided with slide top (7), it is characterized in that sliding top (7) be located in the body (1), fixing by the dog screw (6) that is located on the body (1), the dial (9) that has moving tooth (13) is socketed in body (1) front end, in body (1), top (7) rear end of sliding is provided with steady arm (4), steady arm (4) front end is settled nut (5), body (1) rear end is rotary with plug screw (2), between nut (5) and the plug screw (2), on the steady arm (4) butterfly spring (3) is set.
2, face driver center according to claim 1 is characterized in that the outer quarter sawing of body (1) has annular groove, and the corresponding body of dial (9) internal diameter (1) has also been cut annular groove, is provided with sealing ring (8) in the annular groove.
3, face driver center according to claim 1 and 2 is characterized in that the moving tooth (13) of dial (9) front end and dial (9) are one.
4, face driver center according to claim 1 and 2 is characterized in that the moving tooth (13) of dial (9) front end is embedded in the groove of dial (9), and fixing by screw (14).
5, face driver center according to claim 1 and 2, it is characterized in that body (1) front end face is provided with oil pocket (12) and settles piston (10), annular groove has been cut at piston (10) middle part, sealing ring (11) is set, and piston (10) front end is the square toes shape and is stuck in the groove of dial (9) end face.
6, face driver center according to claim 5 is characterized in that oil pocket (12) is three, and along body (1) front end face circumference uniform distribution, oil pocket is interconnected between (12), and body (1) is provided with towards the repairing hole of oil pocket (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94225631 CN2195989Y (en) | 1994-01-16 | 1994-01-16 | Centre of lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94225631 CN2195989Y (en) | 1994-01-16 | 1994-01-16 | Centre of lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2195989Y true CN2195989Y (en) | 1995-05-03 |
Family
ID=33838783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94225631 Expired - Fee Related CN2195989Y (en) | 1994-01-16 | 1994-01-16 | Centre of lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2195989Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039427A (en) * | 2009-10-19 | 2011-05-04 | 西安贝吉姆机床股份有限公司 | Movable centre mechanism of gear grinding machine |
| CN102528477A (en) * | 2010-12-15 | 2012-07-04 | 江苏太平洋精锻科技股份有限公司 | Axial positioning clamp for connecting shaft bevel gear |
| CN103240632A (en) * | 2013-05-24 | 2013-08-14 | 铜陵有色兴铜机电制造有限公司 | External machining fixture for one-step clamping |
| CN103418809A (en) * | 2013-09-11 | 2013-12-04 | 浙江海德曼机床制造有限公司 | Thimble and turning method for strip-shaped workpiece |
| CN103551895A (en) * | 2013-10-28 | 2014-02-05 | 重庆霍洛伊德精密螺杆制造有限责任公司 | Turning special fixture |
| CN103990820A (en) * | 2014-06-05 | 2014-08-20 | 厦门大学 | Composite positioning tip device used for machining spiral groove of screw rotor |
| CN104028788A (en) * | 2013-02-08 | 2014-09-10 | 上海华迅汽车配件有限公司 | Centre |
| CN104325369A (en) * | 2014-11-11 | 2015-02-04 | 新乡日升数控轴承装备股份有限公司 | Automatic central hole grinding machine |
| CN106735341B (en) * | 2016-12-26 | 2019-01-18 | 南通百盛精密机械有限责任公司 | A kind of active Finial device of complete series optical sight shank processing unit pre-determined bit |
-
1994
- 1994-01-16 CN CN 94225631 patent/CN2195989Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039427A (en) * | 2009-10-19 | 2011-05-04 | 西安贝吉姆机床股份有限公司 | Movable centre mechanism of gear grinding machine |
| CN102528477A (en) * | 2010-12-15 | 2012-07-04 | 江苏太平洋精锻科技股份有限公司 | Axial positioning clamp for connecting shaft bevel gear |
| CN102528477B (en) * | 2010-12-15 | 2015-09-09 | 江苏太平洋精锻科技股份有限公司 | Axial positioning clamp for connecting shaft bevel gear |
| CN104028788A (en) * | 2013-02-08 | 2014-09-10 | 上海华迅汽车配件有限公司 | Centre |
| CN103240632A (en) * | 2013-05-24 | 2013-08-14 | 铜陵有色兴铜机电制造有限公司 | External machining fixture for one-step clamping |
| CN103418809A (en) * | 2013-09-11 | 2013-12-04 | 浙江海德曼机床制造有限公司 | Thimble and turning method for strip-shaped workpiece |
| CN103418809B (en) * | 2013-09-11 | 2016-01-20 | 浙江海德曼机床制造有限公司 | The method for turning of a kind of thimble and strip-shaped work |
| CN103551895A (en) * | 2013-10-28 | 2014-02-05 | 重庆霍洛伊德精密螺杆制造有限责任公司 | Turning special fixture |
| CN103990820A (en) * | 2014-06-05 | 2014-08-20 | 厦门大学 | Composite positioning tip device used for machining spiral groove of screw rotor |
| CN104325369A (en) * | 2014-11-11 | 2015-02-04 | 新乡日升数控轴承装备股份有限公司 | Automatic central hole grinding machine |
| CN106735341B (en) * | 2016-12-26 | 2019-01-18 | 南通百盛精密机械有限责任公司 | A kind of active Finial device of complete series optical sight shank processing unit pre-determined bit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |